To appropriately interpret the chi-square goodness-of-fit test,it is necessary to compare differences ______.
A) at each level of the categorical variable
B) across the levels of the categorical variable
C) within and between expected frequencies

Question

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The chi-square goodness-of-fit test compares the observed frequencies of a categorical variable to the expected frequencies under the null hypothesis. To appropriately interpret the test, it is necessary to compare the differences between the observed and expected frequencies at each level of the categorical variable.

To Appropriately Interpret the Chi-Square Goodness-Of-Fit Test,it Is Necessary to Compare